/*
  Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/C++ is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
  MySQL Connectors. There are special exceptions to the terms and
  conditions of the GPLv2 as it is applied to this software, see the
  FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published
  by the Free Software Foundation; version 2 of the License.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef _MYSQL_LIB_LOADER_H_
#define _MYSQL_LIB_LOADER_H_

#include "binding_config.h"

#ifdef _WIN32
#include <windows.h>
#elif defined(HAVE_DLFCN_H)
# include <dlfcn.h>
#else
# error This should never happen - if this header is included, one of macros above supposed to be defined.
#endif

#include <boost/noncopyable.hpp>
#include <map>

namespace sql
{
    namespace mysql
    {
        namespace util
        {

#ifdef _WIN32
            typedef HMODULE ModuleHandle;
            typedef FARPROC SymbolHandle;
#else
            typedef void*   ModuleHandle;
            typedef void*   SymbolHandle;
#endif

            /* possibly C_LibraryLoader would be better name */

            class LibraryLoader : public boost::noncopyable
            {
            private:
                typedef std::map< std::string, SymbolHandle > ProcCache;

                ProcCache		functions;
                ModuleHandle	loadedLibHandle;

                LibraryLoader() {}

            protected:

                LibraryLoader(const std::string& path2libFile);
                LibraryLoader(const std::string& dir2look, const std::string& libFileName);

                ~LibraryLoader();

                SymbolHandle GetProcAddr(const std::string& name);
            };

        } /* namespace util */
    } /* namespace mysql */
} /* namespace sql */
#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */
